22222222210111 has 32 divisors (see below), whose sum is σ = 28296132433920. Its totient is φ = 16946978496000.

The previous prime is 22222222210063. The next prime is 22222222210127. The reversal of 22222222210111 is 11101222222222.

It is not a de Polignac number, because 22222222210111 - 2⁷ = 22222222209983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222222210151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117048561 + ... + 117238261.

It is an arithmetic number, because the mean of its divisors is an integer number (884254138560).

Almost surely, 2^{22222222210111} is an apocalyptic number.

22222222210111 is a deficient number, since it is larger than the sum of its proper divisors (6073910223809).

22222222210111 is a wasteful number, since it uses less digits than its factorization.

22222222210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222135.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22222222210111 its reverse (11101222222222), we get a palindrome (33323444432333).

The spelling of 22222222210111 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, one hundred eleven".